title: Obituary: Mark A Smith.
authors.affiliation: University of Maryland, MD, USA.
authors.forename: R J
authors.initials: RJ
authors.lastname: Castellani
mesh_terms: D000544:Alzheimer Disease / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D009446:Neurobiology / Q000266:history*; D010506:Periodicals as Topic / Q000266:history; D006113:United Kingdom